Weatherproof Durable Clicker Pen Black Barrel Black Ink Pencils will work great on Rite in the Rain AllWeather Paper but sometimes you need a pen This AllWeather Plastic Clicker Pen writes on wet paper and upside down, the pressurized ink cartridge performs in temperatures from 30F to 250F Pen holds steady in wet conditions with the rubberized grip The ink won’t leak, evaporate, or blow up in your pocket 5 14 in long, with a Barrel Diameter of 38 in Black barrel, grip channels near tip indicate ink color Black ink Refill cartridges available